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Unformatted text preview: Name: ________________________________________ CHM 115 Quiz #2 1) If a ball is 7 mm in diameter, what is its diameter in kilometers (km)? 2) When measuring density of a metal cube, the mass was measured to be 2.0 g and the volume as 4.00 cm 3 . What is the density of the cube (with the correct number of sig. figs)? 3) Of alpha, beta, and gamma radiation, which is not deflected by electrically charged plates?_________________ 4) The atom contains subatomic particles, called _______________, which circle the nucleus. The atom also contains _________________ and _________________, which make up the nucleus. 5) Protons Neutrons Atom A 18 18 Atom B 17 19 Atom C 16 19 Atom D 18 22 Which atom is the isotope of atom A?______________ Which atom has the same mass number as atom A?_____________...
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- Spring '10